Permanent Link For Entry #4138

Cloudflare major outage

So, we experienced a large www.cloudflare.com outage today. A lot of people may have never heard of Cloudflare, and may be surprised to hear it underpins a large amount of internet services. Over the past few years, they have grown tremendously. They provide cheap, efficient, fast internet infrastructure services such as CDN, DDoS protection, DNS, and much much more. It is said that as much as 25% of the web runs on some sort of Cloudflare service.

So many websites went down today (X, Spotify, Adobe,...) when Cloudflare went down (because of a log file that got too large, hahahahaha!) that everybody was checking DownDetector, which also went down, and so they had to create a DownDetector for DownDetector hahaha.

On a sidenote, it's amazing how many things are STILL linked to "hard drive ran out of space" essentially. Very much sounds like this outage was another case of this, a log file that grew unexpectedly large. I used to argue over this with our sysadmin 30 years ago asking him why he would add more HD space preemptively or have jobs that aggressively circled the logs. His answer was "it rarely happens" but of course it does happen which is the problem.

A DownDetector checker for DownDetector